a4b app icon

Apps Like a4b for iPhone and iPad

Play, match, and challenge in real-time

Play a puzzle game that challenges visual pattern recognition, concentration, and reaction speed. Solve puzzles to balance both brain hemispheres. Compete on a global leaderboard through Game Center.

by r-nodes UG (haftungsbeschraenkt)★ 5.01 ratingsGamesFreeData updated 2026-09-06

a4b screenshots

Ranked alternatives

Showing 301–320 of 1,000 ranked alternatives.

  1. Screw Escape app icon

    Screw Escape

    Tang Thi Thuy

    Untangle nuts, move bolts, solve puzzles

    Solve puzzles by untangling nuts and bolts. Move pieces to correct positions to free metal plates. Complete brain training challenges. Track progress through multiple levels. Adjust difficulty settings for varying skill levels.

    ★ 4.7128 ratingsGamesFreeData updated 2026-09-06
  2. Flags Puzzle app icon

    Flags Puzzle

    SHINJUKU ROCKETS K.K.

    Play pieces to complete

    Play a free game that fills 9×6 grids with jigsaw pieces to form national . Complete puzzles to reveal and feel a sense of accomplishment. Difficulty increases over time, offering brain training. Features a blackboard style and kawaii UI design.

    ★ 4.6146 ratingsGamesFreeData updated 2026-09-06
  1. Colors Puzzle - Puzzle Games app icon

    Colors Puzzle - Puzzle Games

    美欢 余

    Color regions with four

    Play a brain-teasing game based on the Four Color Theorem. Color regions with four to avoid adjacent duplicates. Choose from multiple game modes. Compete on a global leaderboard.

    ★ 4.553 ratingsGamesFreeData updated 2026-09-06
  2. Solitaire Castle Royal app icon

    Solitaire Castle Royal

    Brightpoint Studios Inc

    Play card games and challenge your skills

    Play TriPeaks with 10,000+ unique levels. Solve puzzles by moving cards between piles. Remove cards by matching values. Undo moves and restart levels. Track progress and access new levels monthly.

    ★ 5.0124 ratingsGamesFreeData updated 2026-09-06
  3. Math Workout - Brain Exercise app icon

    Math Workout - Brain Exercise

    RAYO INNOVATIONS PRIVATE LIMITED

    Play games and track progress

    Solve problems to improve mental arithmetic. Customize difficulty levels and track progress over time. Includes daily exercises and training sessions. Share scores with friends.

    ★ 4.4130 ratingsGamesFreeData updated 2026-09-12
  4. Crazy Fingers - Tests of Reaction app icon

    Crazy Fingers - Tests of Reaction

    AvalonGames

    Play mini-games and test your

    Play -based mini-games to test finger speed and accuracy. Tap to cut vegetables before they touch your finger. Complete levels, track progress, and compete on a leaderboard. Share scores with friends.

    ★ 4.286 ratingsGamesFreeData updated 2026-09-08
  5. Snow Fighting app icon

    Snow Fighting

    德宇 赵

    Compete, climb, and conquer

    Play a single-player snowball fight with simple controls and no complex rules. Accumulate snowballs, aim at targets, and compete on a global leaderboard. Share achievements and replay past battles.

    ★ 4.6109 ratingsGamesFreeData updated 2026-09-11
  6. One Line - Draw Master Puzzle app icon

    One Line - Draw Master Puzzle

    庆猛 邓

    Lines to solve puzzles

    Lines to connect all points in each level. Solve puzzles with changing graphics and difficulty. Compete with others. Customize animations and art styles. Complete levels to improve problem-solving skills.

    ★ 4.7139 ratingsGamesFreeData updated 2026-09-06
  7. Fruits Forest : Rainbow Apple app icon

    Fruits Forest : Rainbow Apple

    Springcomes Co., Ltd.

    Match to clear levels

    Play a brain puzzle game with simple rules. Match three or more to clear levels. Move to match colors. No play limits or heart systems. Offline play available. Supports tablet screens and multiple languages.

    ★ 4.7119 ratingsGamesFreeData updated 2026-09-12
  8. Mindboo: Chaos Arena Duels app icon

    Mindboo: Chaos Arena Duels

    Mindboo Limited

    Survive rounds and earn titles

    Play in 13-second rounds with sudden flips, shadows, and countdowns. Earn titles like Untouchable or Last Brain by surviving longer. Complete 18 escalating challenges with changing rules and obstacles.

    ★ 4.7128 ratingsGamesFreeData updated 2026-09-06
  9. ston app icon

    ston

    Flat Games Yazilim Anonim Sirketi

    Clear cubes, focus on each move

    Play a minimalistic puzzle game with challenging levels. Remove cubes by passing over them. Features include peaceful music, no time or move limits, and a clean design for focused gameplay.

    ★ 4.3128 ratingsGamesFreeData updated 2026-09-12
  10. Memory Cartoon - Animals app icon

    Memory Cartoon - Animals

    Paulo Ricardo Oliveira de Paula

    Match cards, score points, train brain

    Play card game to match pairs and score points. Memorize card positions and find matching pairs quickly. Features animated animal cards, classic gameplay, and brain training exercises. Track progress and improve skills over time.

    ★ 4.5142 ratingsGamesFreeData updated 2026-09-06
  11. Infinite Loop app icon

    Infinite Loop

    Weiran Zhang

    Test your reflexes and score high

    Play a minimalist game that tests hand-to-eye coordination and reaction speed. Compete with friends and global players for the highest score. No instructions required, just focus and skill.

    ★ 4.647 ratingsGamesFreeData updated 2026-09-10
  12. Paper Train: Traffic app icon

    Paper Train: Traffic

    Istom Games Kft.

    Manage train routes and avoid collisions

    Manage train across global rail networks by directing routes, avoiding collisions, and preventing delays. Monitor multiple railway nodes, adjust schedules, and ensure smooth operations without in- purchases or ads.

    ★ 4.6140 ratingsGames$0.99Data updated 2026-09-10
  13. Solitaire TriPeaks & Klondike app icon

    Solitaire TriPeaks & Klondike

    Shenzhen Chai Lai Technology Co., Ltd.

    Play , design aquariums

    Play to decorate an aquarium. Solve puzzles to add fish and decorations. Choose from various game styles. Complete levels to customize the underwater environment. Train brain with different card challenges.

    ★ 4.8126 ratingsGamesFreeData updated 2026-09-06
  14. Brick Stack 3D app icon

    Brick Stack 3D

    Enrich Girisim ve Bilisim Yatirimlari A S

    Bricks, match patterns, solve puzzles

    Play a 3D puzzle game with matching and tile mechanics. Move and rotate blocks to them correctly. Use time, move, and key boosters to complete levels. Play offline, track progress, and challenge tricky levels.

    ★ 4.6115 ratingsGamesFreeData updated 2026-09-06
  15. Depicto app icon

    Depicto

    Blinkgame Inc.

    Guess the image, win points, play daily

    Play ! Guess the daily AI-generated image by solving the hidden phrase. Earn points, progress through levels, and compete in groups with friends. Share results and track leaderboard standings.

    ★ 5.0105 ratingsGamesFreeData updated 2026-09-06
  16. Star Link : HEXA app icon

    Star Link : HEXA

    SUPERBOX. Inc

    Play puzzles and clear stages

    Play a casual puzzle game featuring hexagonal grid-based level design. Clear stages by connecting paths without overlaps. Complete daily missions and compete with global players. Track progress and unlock new challenges.

    ★ 4.5112 ratingsGamesFreeData updated 2026-09-12

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.